package XunHuanJieGou;

import java.util.Scanner;

public class DaYingLingXing2Bu {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入一个奇数：");
        int num = sc.nextInt();
        for (int i = 1; i <=num ; i++) {
            for (int j = 1; j <=num-i ; j++) {
                System.out.print(" ");
            }
            for (int j = 1; j <=2*i-1 ; j++) {
                System.out.print("*");
            }
            System.out.println();
        }
        for (int i = 1; i <num ; i++) {
            for (int j = 1; j <=i ; j++) {
                System.out.print(" ");
            }
            for (int j = 1; j <=(2*num-1)-2*i ; j++) {
                System.out.print("*");
            }
            System.out.println();
        }
    }
}